The invisible world
A documentary which examines the universe of shapes, movements, and lives that exist beyond the limited range of human vision by using highly specialized cameras, imaging devices, and electron microscopes
DVD Video, English, 
National Geographic, [Washington, D.C.], 
Documentary television programs
1 videodisc (60 min.) : sound, color ; 4 3/4 in.
"This disc is expected to play in DVD and video "play only" devices and may not play in other DVD devices, including recorders and PC drives"--Container
Originally broadcast in 1979.
Narrator, Richard Basehart.
Photographer, Bertram van Munster ; editor, Margareta Schiappa ; music, William Goldstein.